<template>
    <div>
    <header class="site-header jumbotron">
      <div class="container">
        <div class="row">
          <div class="col-xs-12">
            <h1>请发表对Vue的评论</h1>
          </div>

        </div>
      </div>
    </header>
    <div class="container">
   <Add :addComment="addComment"/>
  <List :comments="comments" :deleteComment="deleteComment"/>
    </div>
  </div>
</template>
<script>
import Add from './components/Add.vue'
import List from './components/List.vue'

export default {
  data(){
    return {//数据再那个组件，更新数据的行为就在那个组件
      comments:[
        {
          name:'BoB',
          content:'vue还不错'
        },
         {
          name:'cat',
          content:'vue还不错'
        },
         
         {
          name:'Bz',
          content:'vue so so'
        }
      ]
    }
  },
  methods:{
    addComment(comment){
      this.comments.unshift(comment)
    },
    deleteComment(index){
      this.comments.splice(index,1);
    }
  },
    components:{
        Add,
        List
    }
}
</script>
<style>

</style>
